How did the fierce wolf become a playful puppy? Why are there so many varieties of dogs? And how did they earn their place as "man's best friend"? This PBS Explorer Collection seeks to answer these questions and more!

How Smart Are Animals? - New discoveries are revealing that "man's best friend" is smarter than we ever thought, with a brain that resembles our own in ways we never imagined. Travel to Wolf Park, where scientists are tracing the evolutionary path that turned wild animals into our cuddly companions...and meet a superdog with a vocabulary of over 1,000 words! Also features How Smart Are Dolphins?, How Smart Is an Octopus?, and Profile: Irene Pepperberg & Alex.

Dogs Decoded - Science is revealing what dog lovers have suspected all along: dogs have an uncanny ability to read and respond to human emotions. Humans, in turn, respond to dogs with the same hormone responsible for bonding mothers to their babies. Genetic discoveries are illuminating the origin of dogs--with big implications for the evolution of human culture--but how did this incredible relationship between humans and dogs come to be?

Through a Dog's Eyes - Follow the inspiring stories of people with disabilities as they experience the heartwarming and sometimes challenging process of being matched with and receiving a service dog. Featuring Jennifer Arnold, founder of one on the country's leading service dog organizations, Through a Dog's Eyes provides new insight into one of life's most extraordinary relationships.

Dogs and More Dogs - Did you know the Saluki can beat any other mammal on earth in a three-mile race? We feed them, breed them, pet them, and dress them, but how well do we really know dogs? John Lithgow narrates this insightful look at how dogs evolved from fierce wolves to playful pets--and why there are so many types of dogs today.